The Denon AVR-3312 is a 7.2 channel home theater receiver that was released in 2011. It offers a wide range of features including support for various audio formats, networking capabilities, and multiple HDMI inputs. The AVR-3312 also has built-in AirPlay support, allowing users to stream music wirelessly from their Apple devices. It delivers powerful and immersive sound quality and is compatible with popular surround sound formats like Dolby TrueHD and DTS-HD Master Audio. The receiver includes multiple audio and video inputs and outputs, as well as support for multi-room audio setup.